This piano tuning wrench is made of high-grade materials, strong and durable, and can serve you for a long time. Wear-resistant, rust-proof, , not easy to deform and break. Suitable for professional and personal use. Features -Color:Multi -Material: Wood, carbon steel -Size: About 29.00X7.00X3.00cm/11.40X2.75X1.18inch - Using good materials, the wrench tool is durable and can be used for a long time. - Features the strong, wear-resistant, rust-proof, , it is not easy to deform and break. - This tuning wrench is designed for the tuning of the piano, practical and reliable. - It can help adjust the piano tones, so that the sound is better, and it can create a better playing effect. - Simple structure and , quick and easy tuning, bringing you a better sense of experience. Package list: 2 x piano wrench